Design and fabrication of an effective micromixer through passive method

Moghimi, Mahdi; Jalali, Naeem

doi:10.22061/jcarme.2019.4018.1481

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	Design and fabrication of an effective micromixer through passive method
Journal of Computational & Applied Research in Mechanical Engineering (JCARME)
مقاله 18، دوره 9، شماره 2 - شماره پیاپی 18، اردیبهشت 2020، صفحه 371-383 اصل مقاله (1.76 M)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22061/jcarme.2019.4018.1481
نویسندگان
Mahdi Moghimi^* ؛ Naeem Jalali
Mechanical Engineering Department, Iran University of Science and Technology, Narmak, Tehran 16844, Iran
تاریخ دریافت: 03 شهریور 1397، تاریخ بازنگری: 05 تیر 1398، تاریخ پذیرش: 18 تیر 1398
چکیده
Micromixer is a significant component of microfluidics particularly in lab-on-chip applications so that there has been a growing need for design and fabrication of micromixers with a shorter length and higher efficiency. Despite most of the passive micromixers that suffer from long mixing path and complicated geometry to increase the efficiency, our novel design suggests a highly efficient micromixer while taking advantage of having a short length. The novelty of our work stems from utilizing all three mixing techniques of injection, recombination, and zigzag mixing resulting in benefits such as multi-flow lamination and flow resistance reduction in microscale. Moreover, the contraction and expansion of the microchannel width improve mixing. The present work deals with the parametric study, numerical simulation, as well as experimental tests and characterization of small planar passive micromixer. The high mixing efficiency yield of 98.02 was obtained with the length of only 1857.8 microns which shows good agreement in comparison with numerical simulation.
کلیدواژه‌ها
Lab-on-chip؛ Microfluidics؛ Micromixing؛ Passive micromixers؛ Recombination؛ Zigzag mixing

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Design and fabrication of an effective micromixer through passive method